From cd71b3e09858a3b42d1b40113fd215219c8bc5db Mon Sep 17 00:00:00 2001
From: Graham Ollis <perl@wdlabs.com>
Date: Mon, 6 Jul 2015 22:10:58 -0400
Subject: [PATCH] Fix another potential warning on Perl 5.8.8

---
 lib/Dist/Zilla/Tester.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Dist/Zilla/Tester.pm b/lib/Dist/Zilla/Tester.pm
index 4115cfa78..982aa23c3 100644
--- a/lib/Dist/Zilla/Tester.pm
+++ b/lib/Dist/Zilla/Tester.pm
@@ -276,7 +276,9 @@ sub minter { 'Dist::Zilla::Tester::_Minter' }
 
     my $global_config_root = Path::Class::dir($tester_arg->{global_config_root})->absolute;
 
-    local $ENV{DZIL_GLOBAL_CONFIG_ROOT} = $global_config_root;
+    local $ENV{DZIL_GLOBAL_CONFIG_ROOT};
+    $ENV{DZIL_GLOBAL_CONFIG_ROOT} = $tester_arg->{global_config_root}
+      if defined $ENV{DZIL_GLOBAL_CONFIG_ROOT};
 
     my $global_stashes = $self->_setup_global_config(
       $global_config_root,